Viking Fire Sprinkler 5.6K Brass Upright QR 286F | VK300

Viking VK300 Quick Response Brass Upright Fire Sprinkler activates at 286F (141C) to defend high hazard commercial occupancies against fire. This UL & FM approved fire sprinkler features a 5.6K orifice and a 1/2" (12.7 mm) NPT connection.
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Part NumberConstructionConnectionOrifice
VK300BR286Brass Finish, Brass Frame, And Brass Or Copper Deflector1/2" (12.7 mm) NPT5.6K
Temperature RatingMaximum Working PressureApprovals and ListingsAvailability
286F (141C)175 PSI (12.1 BAR)cULus, FMIn Stock

Product Description

Viking VK300 Quick Response Brass Upright Fire Sprinkler delivers powerful, affordable fire suppression in high hazard commercial occupancies such as factories, refineries, and chemical plants. Using a heat-activated 3mm glass bulb, this automatic fire sprinkler opens when ambient temperatures reach 286F (141C), supporting rescue and evacuation efforts by lowering ambient temperatures.

The Viking Model VK300 has a 5.6 K-Factor and installs with 1/2" (12.7 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States. This Quick Response Fire Sprinkler features a brass finish, brass frame, brass screw, brass or copper deflector, and a spring sealing assembly made with nickel alloy and PTFE tape.

With a maximum working pressure of 175 PSI (12.1 BAR), this upright sprinkler limits debris and ice buildup by installing vertically and may be installed and used in accordance with NFPA 13 and local fire code. Each Model VK300 sprinkler is made by Viking, a global leader in fire protection manufacturing for nearly 100 years.

This product is UL & FM approved for use in fire protection systems when accepted by the authority having jurisdiction.

Technical Documents

Click here to view the data sheet for the Viking VK300 Quick Response Brass Upright Fire Sprinkler.

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